What is the air quality trend in Sasebo?

Over the past 8 days, Sasebo had an average AQI of 32 based on station measurements. The worst day was 2026-05-30 with AQI 44.

How is Sasebo air quality measured?

Air quality in Sasebo is measured by ground-level monitoring stations that report PM2.5 and PM10 concentrations hourly. CERNS.IO aggregates readings from nearby stations and converts PM2.5 to the US EPA Air Quality Index (AQI) scale.

Air Quality History for Sasebo, Japan

Name: Sasebo Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near Sasebo, Japan.

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

167h

PM2.5 Station

167h · 21 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-30	44	25–51	10.6 µg/m³	13h	18
2026-05-29	38	28–47	9.0 µg/m³	24h	17
2026-05-28	30	16–40	7.1 µg/m³	24h	17
2026-05-27	24	16–32	5.8 µg/m³	24h	19
2026-05-26	28	15–48	6.6 µg/m³	24h	19
2026-05-25	32	23–52	7.8 µg/m³	24h	19
2026-05-24	31	22–46	7.4 µg/m³	24h	18
2026-05-23	30	25–43	7.2 µg/m³	10h	19

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